| AIRLINES | SECTOR | ICAO | IATA | CALLSIGN | AOC ISSUED | TYPE |
|---|---|---|---|---|---|---|
| Buddha Air | Domestic/International | BHA | U4 | BUDDHA AIR | 1997 | Aeroplane |
| Himalaya Airlines | International | HIM | H9 | HIMALAYA | 2014 | Aeroplane |
| Nepal Airlines | Domestic/International | RNA | RA | ROYAL NEPAL | 1958 | Aeroplane |
| Saurya Airlines | Domestic | - | S1[citation needed] | - | 2014 | Aeroplane |
| Shree Airlines | Domestic | SHA | N9[3] | SHREE AIR | 1999 | Helicopter/Aeroplane |
| Sita Air | Domestic | STA[a] | ST[citation needed] | - | 2003 | Aeroplane |
| Simrik Airlines | Domestic | RMK | - | - | 2009 | Aeroplane |
| Summit Air | Domestic | SMA[b] | - | - | 2011 | |
| Tara Air | Domestic | TRA[c] | TB[7] | TARA AIR | 2009 | Aeroplane |
| Yeti Airlines | Domestic | NYT | YT | YETI AIRLINES | 1998 | Aeroplane |
| AIRLINES | SECTOR | ICAO | IATA | CALLSIGN | AOC ISSUED | TYPE |
|---|---|---|---|---|---|---|
| Air Dynasty | Domestic | - | - | 1993 | Helicopter | |
| Makalu Air | Domestic | - | - | - | 2009 | Aeroplane |
| Altitude Air | Domestic | - | - | - | 2016 | Helicopter |
| Manang Air | Domestic | - | - | - | 1997 | Helicopter |
| Simrik Air | Domestic | - | - | - | 2001 | Helicopter |
| Summit Helicopters | Domestic | - | - | - | 1997 | Helicopter |